.header{
    background: white;
    border-bottom: 1px solid #f2f2f2;
    box-shadow: 0 0 7px 3px #f2f2f2;
}

.main{
    min-height: 500px;
    background: white;
    text-align: center;
    padding: 20px 0;
}

.list-line{
    text-align: center;
    margin:40px 0;
}